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三平面平行-1
Author:
wenping168
GeoGebra
New Resources
第三周作业效果演示
镂空正方体案例对比
第八周作业3
龙形曲线-分形龙2
异形操场
Discover Resources
Right Triangles in a Circle 圓內的直角三角形
補角關係
加法運算
ghseh 二次函數左右x值差
同旁內角---水平平行綫
Discover Topics
Similar Triangles
Area
Fractions
Parametric Curves
Cone